Transcontinental Gas Pipe Line Company, LLC

Fourth Revised Volume No. 1

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Effective Date: 12/31/2008, Docket: RP09-158-000, Status: Effective

Original Sheet No. 358 Original Sheet No. 358

GENERAL TERMS AND CONDITIONS

(Continued)

18. DETERMINATION OF DELIVERIES AND RECEIPTS, ALLOWABLE DAILY DISPATCHING VARIATIONS,

OVERRUN CHARGES AND PENALTIES (Continued)

18.1 (a) (iv) For each gas day, Seller will use the following procedures to allocate the

measured quantities:

(A) First, the scheduled quantity will be allocated to each transaction

that is scheduled and confirmed as set forth in Section 28 of the

General Terms and Conditions,

(B) Then, Seller will aggregate the resulting scheduled quantities to

the level specified by the delivery point operator pursuant to

Section 18.1(a)(ii) above, and

(C) Then, beginning with the lowest numeric rank, quantities will be

added to the aggregated scheduled quantity for high burn gas days

or will be subtracted from the aggregated scheduled quantity in low

burn gas days in accordance with the following:

(1) If the delivery point operator provides Seller with PDAs and

limit values by Buyer ID/downstream ID, pursuant to Section

18.1(a)(ii)(A) above, Seller will allocate the measured

quantities consistent with the following:

(i) Seller will first use the PDAs and limit values

provided by the delivery point operator to determine

the amount to allocate to each Buyer ID/downstream ID,

(ii) Then, (a) in the event that the measured quantity is in

excess of scheduled quantity (high burn), Seller shall

allocate among multiple contracts consistent with

Section 28.2 of the General Terms and Conditions, and

in particular, for interruptible transportation Buyers,

Seller shall allocate among Buyers based on the unit

rate Buyers were willing to pay at the time quantities

were scheduled during the gas day with the highest unit

rate receiving first priority and so on, or (b) in the

event that the scheduled quantity is in excess of the

measured quantity (low burn), Seller shall allocate

among multiple contracts consistent with Section 28.4

of the General Terms and Conditions, and in particular,

for interruptible transportation Buyers, Seller shall

allocate among Buyers based on the unit rate Buyers

were willing to pay at the time quantities were

scheduled during the gas day with the highest unit rate

receiving first priority and so on, and

(iii) Then, Seller will allocate among multiple transactions

within a contract by using the Buyer's provided

schedule ranks (in accordance with NAESB defined data

sets), or will allocate pro-rata if no ranks are

provided by Buyer.